In the field of medicine, erythema is known as a form of lesion that occurs on the skin and is characterized in that the affected area acquires an intense reddish hue, but when pressing said area the red color disappears. The formation of erythema is usually due to an excess in the blood supply due to vasodilation, erythema is generally a symptom of other infectious diseases that affect the skin, such as measles, rubella, etc. Often the erythema is localized, however it is possible that it moves to much larger areas.
When there is an infection in the skin, undoubtedly the symptom that can be seen the most easily is erythema, it may indicate that there is inflammation in the area where it is located, usually its range is small, forming a halo, that surrounds the area where there is discomfort, whether it be stinging, burning, pain, among others, as the case may be.
Although it is not considered a high- risk situation, it is important that the person always be attentive to erythema, since it can be a symptom of a more serious pathology, for this reason if erythema remains for a long time time it is best to go to a specialist so that he is the one who indicates the appropriate treatment. In general, the redness disappears very quickly, however in order to keep the itching and inflammation under control, special creams or lotions can be used, as long as the doctor has recommended it.
Erythema can be of various types, among the most frequent are morbilliform, characterized by the fact that the plaques are interrupted by regions of healthy skin. Another type are the scarlet fever so called since they have a lot of similarity to those that causes scarlet fever, where the plaques have an intense red hue that is not interrupted by healthy skin. There are also the so-called rubeoliforms since they usually occur due to rubella infection, this is characterized by presenting various reddish areas.
